Flyer for spinning frame



March 14, 1950 A. D. ICKRINGILL 2,500,827

FLYER FOR SPINNING FRAME Filed Nov. 10. 1947 2 Sheets-Sheet 1 March 14, 1950 A. D. ICKRINGILL 4 2,500,827

FLYER FOR SPINNING FRAME Filed Nov. 10, 1947 2 Sheets-Sheet 2 I i I\ I m 1 {Ll I I 4 16"? I a L v l 18 i x F I Patented Mar. 14, 1950 FLYER FOR SPINNING FRAME Arthur D. Ickringill. Bradford, England, assignor of one-third to Ira Ickringill and Company Limited, Bradford, England, a British company Application November 10, 1947, Serial No. 785,173

In Great Britain November 28, 1946 5 Claims. (Cl. 57-115) This invention relates to flyers for spinning frame devices for spinning and/or twisting natural or artificial fibres.

In the spinning industry, apart from the spinning mule, spinning frames come under two main headings, i. e., ring or cap spinners and flyer spinners. In the one case a stationary cap is adapted to surround a bobbin on to which the yarn is wound and this is usually referred to as a leading bobbin due to the fact that it is driven to draw the yarn to itself as it is raised and lowered by the usual lifting gear. The main advantage with this arrangement is that relatively high speeds can be obtained, but a great disadvantage is that due to the high speed the yarn balloons and is more or less uncontrolled from where it passes under the lower edge of the cap right up through the guide eye to the nip of the last drafting rollers. As a result of this, twist is being put into the yarn over a good number of inches say, eight or nine, and in weak spots the yarn receives far too many twists per inch which results in poor yarn. In the case of the flyer the yarn is more controlled due to the fact that after leaving the nip of the rollers it passes down through the hollow flyer spindle to be passed round one of the arms of the flyer before being led through the lower eye on to the bobbin. In view of this the twist is put into the yarn over only a short distance between the fiyer and the rollers and also the tension of the yarn over such distance is more controlled. This tensioning of the yarn is of great importance in that yarns vary in strength and characteristics and thus the tension requires to be adjusted according to the type of yarn being spun. If the tension is too slack for a particular type of yarn then snarling will occur, and if the tension is too great then the yarn will naturally snap. In both these cases there is loss of production in that the yarn must be pieced by the ends of the yarn being joined together. The flyer whilst overcoming some of these difficulties of control has a disadvantage in that the yarn must be taken in complete turns around the arm of a flyer. Thus a fine degree of tensioning adjustment cannot be obtained in.that in some cases part of a turn would give ideal conditions. Another disadvantage with the flyer is that its speed of operation is far below that of the cap spinner in that above a given speed the flyer arms flex outwardly. Similar difiiculties arise in the twisting frame.

The main object of this invention is to overcome the difliculties hitherto experienced by providing an improved method of spinning and/or twisting and means for carrying out either process.

Accordingly a method of spinning and/or twisting yarn consists in passing the yarn from the drafting or other rollers onto a rotary tubular flyer furnished with guide means for the yarn which passes from the tubular flyer onto a bobbin and driving said tubular flyer to rotate about the bobbin which should have a lagging action. The method may be such that the length of yarn having frictional contact with the periphery of the tubular-flyer can be adjusted to a relatively fine degree for enabling fine adjustment of the tension of the yarn over the part where the twisting occurs between the rotating tubular flyer and the rollers. Y

A means for carrying out the above method may comprise a tubular flyer mounted to be driven and furnished with yarn guide means at 'its upper and lower ends so that yarn passing onto the periphery of the tubular flyer through the first guide means can pass a selected distance, vertically, or at an angle ofinclination in a part turn or in one or more turns, down the periphery of the tubular flyer and through the lower guide means before passing to the bobbin. The rotary tubular flyer may be carried by a driven short hollow spindle mounting at its upper end or by a, spindle passing up through the bobbin.

Means may be furnished for the hand or automatic doffing of the wound bobbins. The bobbin may rest on a friction washer or friction face on a displaceable rest or other element so as to be movable to a convenient position for piecening purposes. Each bobbin spindle, or the lifting rail carrying all the spindles, may be displaceable for moving or tilting the bobbins out of alignment with the rotary tubular flyers for facilitating the doffing operation.

Referring now to the accompanying drawings in which embodiments of the invention are shown:

Fig. 1 is a front view of one form of rotary tubular flyer;

Fig. 2 is a front view of a modified mounted rotary tubular flyer;

Fig. 3 is a sectional elevation at right angles to Fig. 2;

Fig. 4 is a. part sectional side elevation of a larger type of rotary tubular flyer;

Fig. 5.is a sectional front view of a modified bobbin mounting;

Fig. 6 is a part sectional side view of a rotary tubular flyer with internal yarn guide means;

tubular flyer and a plurality of yarn guide holes 4 arranged around, and in close proximity to, the lower rim of the tubular fiyer. To facilitate the passage of yarn into the guide holes, slits lead thereinto from the rim. Such slits flare slightly at their outer ends to facilitate the entry of the yarn into the guide holes. I

In Figs. 2 and 3 a slightly modified form of rotary tubular flyer I and mounting is shown but the latter forms no part of this invention. In this tubular flyer I the upper yarn guides comprise two diametrically opposite eyes 6. These are shown in the form of inclined slots which facilitate the yarn threading and piecening opera tions but holes or other shaped openings may be used. Also the number and relative positions of the upper and lower yarn guides may be modified to suit requirements. In Fig. 4 a tubular flyer l is shown enlarged to receive large bobbins, with three upper yarn guide eyes 6 (in the form of round holes) equally spaced apart and only two lower guide holes. By locating the latter diametrically opposite each other and at right angles to one of the upper guide eyes the required yarn adjustments may be obtained as hereinafter described. This tubular flyer I has hardened renewable inserts I for the guide holes 6 and also a renewable hardened insert 8 to form each of the lower guide holes 4. To prevent any possibility of the yarn slipping inadvertently out of a lower eye 4*, right angular slits 5a are provided. The arrangement of guide eyes may be which is mounted on the bobbin spindle H. The

bobbin spindles may be of the usual length, or extended below the normal level, to be carried by the usual common lifter rail l8, which can be connected to any known form of lifting mechanism. The bobbin itself rests on a small plate 19 or other element with the usual form of felt or other friction washer 20 interposed to give the required lagging motion to the bobbin operation. With an extended spindle as shown in Fig. 5 this rest plate I9 is normally retained in position by a spring (or other) retainingelement 2| which can be operated quickly, i. e., pressed inwardly, for allowing the bobbin and its rest plate to drop down the spindle to be wholly clear of the tubular flyer for piecening purposes. The bobbin with its rest plate can be raised to their normal position (which may be limited by stop means) and there retained by the aforesaid Spring or other retaining element. When piecem'ng or threading yarn, a tubular flyer may be held stationary by the insertion of a key. through the opening 22 in the rail I0 to engage the pin 23 projecting from i the tubular flyer.

To facilitate the threading or piecening operations, an internal yarn guidemay be provided in the tubular .fiyer. In Figs. 6 and 7 a cone shaped member 25 is furnished withguide grooves 26 to suit the number of eyes 6' and secured in position with its rim immediately below saideyes. The grooves may be dispensed with but serve as a positive guide for the yarn ends or threadingj v,

flyer to-be driven fromvbelow'bya belt on pulley 23. I In this instance'the fbobbin l6 may be mounted loosely 'directly on this driven spindle or on a sleeve'29 mounted loosely thereon. In

reversed, i. e., two upper and three lower in the same relative positions.

Hardened inserts or porcelain eyes maybeus ed for upper and/ or lower eyes in any of the tubular flyers. and colour and/or other characteristic markings may be asociated with any of the eyes. Such markings may be used to facilitate the selecin'on-oicertain'eyes for particular types of yarn.

Any of the above tubular flyers can be mounted f in a spinning frame of the type normally constructed to employ fiyers but in the present ineithe'r case-the bobbin I6 is rested upon a fricti'on washer 20, for creating the required lagging 'motion and supported by a lifter rail 18. Here again the construction is such that the bobbin can be defied when, full. say, by removal of the stance the usual fiyers are all replaced by the tubular flyer for the bobbin to be withdrawn from the spindle. Moreover,although a tubular flyer somewhat similar in shape and design to known-stationary caps used'only for guiding purposes; has'been' described, it will readily be understood some other form of equivalent cylindrical device may be employed to achieve the same obiect. Furthermore more than one size of tubular flyer can be made to be fitted onto a mounting at will to allow for interchangement.

ratingorforminga short hollow spindle) is carriedby the flyermounting rail 10 and rotated as usualby a belt i I passed round the pulley around the periphery of the rotary tubular iiyer to pass through the selected guide hole 4 near the lower rim of the tubular flyer. In-the other tubular fiyers the yarn is led out through one of the guide eyes 6 and thence to a hole 4 in like manner. The yarn passes onto the bobbin l6 It will readily be understood that yarn led onto the surface of the rotary tubular flyer through the upper guide means can be led down to any one of the series of lower guide hole; so that in the first instance the yarn can be led down and around the periphery of the tubular flyer a selected distance and triedto see if that gives the correct tension for the yarn. If this should prove unsatisfactory then fine adjustment either one way or the other can be made by leading the yarn to one of the other lower guide holes until the required tension is obtained for the particular type and characteristic of the yarn being spun. Due to this fine adjustment of frictional resistance on the yarn for changing the tension, very soft or weak yarns can be readily twisted without fear of breakage and what may be termed a firm bobbin or yarn can be produced. This arrangement provides complete control of the tension of the access? rain and ensures that the twist is put into the yarn over a relatively short distance and can rotate at relatively high speeds with no ballooning and fear of constant breakages with consequent high degree of production;

' Although the above description has dealt with spinning frames it will readily be understood the I rotary tubular flyer can also be applied to twisting frames.

Two or more yarns can easily be led from the usual rollers through the guide means onto the tubular fiyer which will allow control of the tension. What I claim and desire to secure by Patent is:

1. Device for spinning and twisting yarn com- Letters prising a tubular flyer, an axial bearing mounting for said tubular fiyer including an axial yarn passage leading to the tubular flyer, yarn guides at the upper end of said tubular fiyer for guiding' yarn from said axial yarn passage onto .the periphery thereof, a plurality of circumferentially spaced yarnguide eyes adjacent the lower end of said tubular fiyer for the passage of yarn from the periphery to the interior thereof and soarranged with respect to the upper yarn guides that yarn passed onto the periphery of the tubularflyer through a selected upper yarn guide is passed a selected distance over the periphery of the tubular fiyer and through a selected lower guide eye towards the axis of the tubular flyer,

. 6 4. Device according to claim 1, characterised by the lower guide eyes opening into the rim edge of the tubular flyer for yarn threading purposes.

5. Device for spinning and twisting yarn, coniprising a tubular flyer adapted to be rotated about its own axis, an axial inletfor yarn in the head of the tubular flyer,'at least one guide eye in the wall of the tubular flyer for the outlet of yarn onto the periphery of the tubular flyer adjacent the upper end thereof, at least two further guide eyes in the lower rim of the tubular flyer circumand driving means for rotating the tubular fiyer.

2. Device according to claim 1,.characterised by the upper yarn guides comprising grooves i the shoulder of the tubular dyer.

3. Device according to claim 1, characterised by the upper yarn guides comprising openings in the wall of the tubular flyer.

ferentially spaced and ofiset from the upper guideeye, and internal guide means between said inlet and outlet for facilitating yarn threading and piecening operations. v

-' g ARTHUR D. ICKRINGILL REFERENCES CITED The following references are of record in the file of this patent:'

UNITEDSTATES PATENTS France Dec. 20, 1905 

